57033072 has 60 divisors (see below), whose sum is σ = 165536280. Its totient is φ = 19009728.

The previous prime is 57033061. The next prime is 57033073. The reversal of 57033072 is 27033075.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57033073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3447 + ... + 11222.

It is an arithmetic number, because the mean of its divisors is an integer number (2758938).

Almost surely, 2^57033072 is an apocalyptic number.

It is an amenable number.

57033072 is an abundant number, since it is smaller than the sum of its proper divisors (108503208).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57033072 is a wasteful number, since it uses less digits than its factorization.

57033072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14692 (or 14674 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 27.

The square root of 57033072 is about 7552.0243643675. The cubic root of 57033072 is about 384.9245300993.

The spelling of 57033072 in words is "fifty-seven million, thirty-three thousand, seventy-two".